With the Aruba CX 6100 48G switch with uplinks of 1/1/47 and 1/1/48. how do you automate the process of resuming the port operational state once a loop on a client port is cleared?
A. Configure int 1/1/1-1/1/52 loop-protect disable timer.
B. Configure global loop-protect disable timer.
C. Configure int 1/1/1-1/1/46 loop-protect re-enable-timer.
D. Configure global loop-protect re-enable-timer.
Correct Answer: C
Loop protection is a feature that detects and prevents loops in layer 2 networks. Loop protection can be enabled on ports, LAGs, or VLANs. When loop protection is enabled, the switch sends periodic loop protection messages on the interface and expects to receive them back. If a loop protection message is received back on the same interface, it indicates a loop and the switch takes an action to disable the interface or block traffic on it3. The loop-protect re-enable-timer command is used to configure the length of time the switch waits before re-enabling an interface that was disabled due to loop detection. The default value is 0, which means that the interface remains disabled until manually re-enabled3. To automate the process of resuming the port operational state once a loop on a client port is cleared, the loop-protect re-enable-timer command can be used with a non-zero value on the interface range that includes the client ports3. Therefore, answer C is correct. References: 1: Aruba Campus Access documents and learning resources 3: Configuring loop protection - Aruba
Question 72:
What are two advantages of splitting a larger OSPF area into a number of smaller areas? (Select two )
A. It extends the LSDB
B. It increases stability
C. it simplifies the configuration.
D. It reduces processing overhead.
E. It reduces the total number of LSAs
Correct Answer: BD
Explanation: Splitting a larger OSPF area into a number of smaller areas has several advantages for network scalability and performance. Some of these advantages are: It increases stability by limiting the impact of topology changes within an area. When a link or router fails in an area, only routers within that area need to run the SPF algorithm and update their routing tables. Routers in other areas are not affected by the change and do not need to recalculate their routes. It reduces processing overhead by reducing the size and frequency of link-state advertisements (LSAs). LSAs are packets that contain information about the network topology and are flooded within an area. By dividing a network into smaller areas, each area has fewer LSAs to generate, store, and process, which saves CPU and memory resources on routers. It reduces bandwidth consumption by reducing the amount of routing information exchanged between areas. Routers that connect different areas, called area border routers (ABRs), summarize the routing information from one area into a single LSA and advertise it to another area. This reduces the number of LSAs that need to be transmitted across area boundaries and saves network bandwidth. References: https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-pathfirst- ospf/7039-1.html https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first- ospf/13703-8.html
Question 73:
You are deploying Aruba CX 6300's with the customers requirement to only allow one (1) VoIP phone and one (1) device.
The following local role gets assigned to the phone port-access rote VoIP device-traffic-class voice.
Explanation: Aruba CX 6300 switches support various features to control the port access for different types of devices, such as client mode, device mode, and multidomain mode. These features can help limit the number of clients that can connect to a port and prevent unauthorized devices from accessing the network.
This is because option C shows how to configure the client limit and the auth-mode for a specific port using the interface command and the aaa authentication port-access command. The client limit specifies the maximum number of clients that can connect to a port. The auth-mode specifies the authentication mode for the port. In this case, option C sets both parameters to multi-domain mode, which allows only one voice device and one data device to be authenticated on a port https://www.arubanetworks.com/techdocs/AOS-CX/10.10/HTML/monitoring_6300- 6400/Content/Chp_LEDs/fro-pan-led-630.htm 2: https://www.arubanetworks.com/products/switches/6300-series/ 3: https://www.arubanetworks.com/techdocs/AOS-CX/10.11/HTML/security_6200-6300- 6400/Content/Chp_Port_acc/Port_acc_gen_cmds/aaa-aut-por-acc-aut-mod-fl-109.htm
Question 74:
A customer wants to enable wired authentication across all their CX switches One of the requirements is that the switch must be able to authenticate a single computer connected through a VoIP phone.
Which feature should be enabled to support this requirement?
A. Multi-Domain Authentication
B. Device-Based Mode
C. MAC Authentication
D. Multi-Auth Mode
Correct Answer: A
Explanation: Multi-Domain Authentication is the feature that should be enabled to support the requirement that the switch must be able to authenticate a single computer connected through a VoIP phone. Multi-Domain Authentication is a feature that allows an Aruba CX switch to apply different authentication methods and policies to different devices connected to the same port. For example, a VoIP phone and a computer can be connected to the same port using a single cable, but they can be authenticated separately using different credentials and assigned to different VLANs. The other options are incorrect because they either do not support multiple devices on the same port or do not provide authentication. References: https://www.arubanetworks.com/techdocs/AOS-CX/10.05/HTML/5200- 7540/GUID-7D9E9F6E-5C2A-4F7E-BE6D-A2C3A6C7B9F9.html https://www.arubanetworks.com/assets/tg/TB_ArubaCX_Switching.pdf
Question 75:
Which component is used by the Aruba Network Analytics Engine (NAE)?
A. JSON-based scripts
B. Lisp-based agents
C. Ruby-based scripts
D. Current State Database
Correct Answer: A
Explanation: The component that is used by the Aruba Network Analytics Engine (NAE) is D. Current State Database.
The Current State Database is a database that stores the configuration and state information of the switch, such as interfaces, VLANs, routing protocols, statistics, and more. The NAE can access this database through the AOS-CX REST API
and monitor the values of any data point using monitors. The NAE can also track the history of the values in a time-series database and correlate them with network events or configuration changes1. The Current State Database provides
NAE with direct visibility into the entire current state of the device, which enables intelligent troubleshooting and automation of network tasks1.
The other options are incorrect because:
A. JSON-based scripts: JSON is a data format that is used to exchange information between applications. It is not a scripting language that can be used by NAE. NAE scripts are written in Python, which is a popular and powerful programming language1.
B. Lisp-based agents: Lisp is a family of programming languages that are mainly used for artificial intelligence and functional programming. It is not a language that can be used by NAE. NAE agents are instances of scripts that run on the switch and collect relevant network information and trigger alerts or actions1. C. Ruby-based scripts: Ruby is a general-purpose programming language that is known for its expressiveness and elegance. It is not a language that can be used by NAE. NAE scripts are written in Python, which is a popular and powerful programming language1.
Question 76:
Your customer has four (4) Aruba 7200 Series Gateways and two (2) 7000 Series Gateways. The customer wants to form a cluster with these Gateways. What design consideration would prevent you from using all of those Gateways?
A. Multiple versions between Gateways in the same cluster profile are not allowed AOS 10.x.
B. A heterogeneous cluster is not supported in AOS 10.x.
C. The AP load should be lowest value of worst-case scenario load.
D. A combination of 7200 series and 7000 series gateways supports up to 4 nodes
Correct Answer: A
Explanation: The reason is that AOS 10.x does not support clustering gateways with different versions in the same cluster profile. A cluster profile defines the configuration settings for a group of gateways that are managed by Aruba Central. According to the Aruba documentation2, "You can combine 7200 Series and 7000 Series gateways in the same cluster with a maximum size of four devices with reduced AP client capacity on 7000 Series gateways."
Question 77:
What is enabled by LLDP-MED? (Select two.)
A. Voice VLANs can be automatically configured for VoIP phones
B. APs can request power as needed from PoE-enabled switch ports
C. iSCSl client devices can request to have flow control enabled
D. GVRP VLAN information can be used to dynamically add VLANs to a trunk
E. iSCSl client devices can set the required MTU setting for the port.
Correct Answer: AB
Explanation: These are two benefits enabled by LLDP-MED (Link Layer Discovery Protocol - Media Endpoint Discovery). LLDP-MED is an extension of LLDP that provides additional capabilities for network devices such as VoIP phones and APs. One of the capabilities is to automatically configure voice VLANs for VoIP phones, which allows them to be placed in a separate VLAN from data devices and receive QoS and security policies. Another capability is to request power as needed from PoE-enabled switch ports, which allows APs to adjust their power consumption and performance based on the available power budget. The other options are incorrect because they are either not enabled by LLDP-MED or not related to LLDP-MED. References: https://www.arubanetworks.com/techdocs/ArubaOS_86_Web_Help/Content/arubaos- solutions/wlan-qos/lldp-med.htm https://www.arubanetworks.com/techdocs/ArubaOS_86_Web_Help/Content/arubaos- solutions/wlan-rf/poe.htm
Question 78:
Which statement best describes QoS?
A. Determining which traffic passes specified quality metrics
B. Scoring traffic based on the quality of the contents
C. Identifying specific traffic for special treatment
D. Identifying the quality of the connection
Correct Answer: A
Explanation: QoS stands for Quality of Service and is a mechanism that allows network devices to prioritize and differentiate traffic based on certain criteria, such as application type, source, destination, etc3. QoS involves identifying specific traffic for special treatment and applying policies and actions to improve its performance or meet certain service level agreements (SLAs)3. QoS can help network devices to manage congestion, delay, jitter, packet loss, bandwidth allocation, etc., for different types of traffic3. QoS can be implemented at various layers of the network stack and across different network domains. References: 3 https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/qos/configuration/15- mt/qos-15-mtbook/qos-overview.html
Question 79:
you are implementing ClearPass Policy Manager with EAP-TLS for authenticating all corporate-owned devices.
What are two possible solutions to the problem of deploying client certificates to corporate MacBooks that are joined to a Windows domain? (Select two.)
A. ClearPass OnBoard
B. Windows Server PKl and a GPO
C. Apple Configurator and a GPO
D. ClearPass OnGuard
E. Mobile Device Manager
Correct Answer: AB
Explanation: The reason is that ClearPass OnBoard is a tool that allows you to enroll Mac computers into a ClearPass Policy Manager site using an Apple MDM push certificate. This certificate can be obtained from Apple or from a third-party PKI provider. Apple Configurator is a tool that allows you to configure and deploy Mac computers using a GPO. This tool can also be used to enroll Mac computers into a ClearPass Policy Manager site using an Apple MDM push certificate.
Question 80:
You are building a configuration in Central that will be used for a standardized network design for small sites for your company, you want to use GUI configuration for gateways and Aps, while template configuration for switches. You need to align with Aruba best practices.
Which set of actions will satisfy these requirements?
A. Create one group in Central for switches a second group for APs. and a third group for gateways. Create a unique site for each location, and assign devices to the appropriate site.
B. Create one group in Central for switches and a second group for APs and gateways. Create a unique site for each location, and assign devices to the appropriate site.
C. Create a single group in Central. Create a unique site for each location, and assign devices to the appropriate site.
D. Create a single group in Central. Create a unique site for each type of device, and assign devices to the appropriate site.
Correct Answer: C
Explanation: This is because option C shows how to create a single group in Central with different configuration methods defined for each device type. For example, you can create a group with the name Group1, and within this group, you can enable template-based configuration method for switches and UI-based configuration method for Instant APs and Gateways. Aruba Central identifies both these groups under a single name (Group1). If a device type in the group is marked for template-based configuration method, the group name is prefixed with TG (TG Group1). You can use Group1 as the group ID for workflows such as user management, monitoring, reports, and audit trail2. https:// www.arubanetworks.com/techdocs/central/latest/content/nms/groups/abt- groups.htm 2: https://www.arubanetworks.com/techdocs/central/latest/content/nms/groups/groups.htm
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